Prep Stuff is used to prepare the skin prior for tattooing. It kills 99.9% of germs and microbes without removing vital oils from the skin! Prep Stuff will also will hold your stencil on even better when you're using your stencil application product. Prep Stuff can also be used as a stencil remover! If you're not happy, or your client is not happy with the placement of the stencil you have just applied, use Prep Stuff to wipe it off and try again!